Title:
Refrigeration system impurity purge means
United States Patent 3145544

Inventors:
Weller, Peter A.
Publication Date:
08/25/1964
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Assignee:
AMERICAN RADIATOR & STANDARD
Primary Class:
62/195
Other Classes:
62/85, 62/475
International Classes:
F25B43/04
US Patent References:
2450707Purging system for refrigerating systems
2986894Purge recovery arrangement for refrigeration systems
2986905Refrigerating system
3013404Purge mechanism for refrigeration system